The artist posted a photo of it to Instagram and wrote: "Hollywood sight-seers on the famous walk of fame were confronted with an unusual edition to Trump's Famous Star. Someone had built a 6″ tall grey concrete wall around it. Complete with 'Keep out' signs and topped with razor wire. The unofficial addition to the iconic star appeared early Tuesday afternoon, to the amusement of onlookers."

The wall alludes to one of Trump's most controversial proposals -- the erection of a wall along the US border with Mexico in order to halt the flow of illegal immigrants.

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British-born Plastic Jesus is known for his provocative work, such as his parking signs that read, "No Trump Anytime" and "No Kardashian Anytime," as well as a heroin-injecting Oscar Statue.